[4] Remigiusz Mróz went to high school in Opole and attended college at Leon Kozminski University in Warsaw, where he studied law.

[11] His books are bestsellers in the Polish publishing market, and his suspenseful work gets compared to Stephen King and Alfred Hitchcock.

[19] Other series are also in development for screen adaptation,[20] including I Forgive You by the Polish Oscar-nominated film studio Opus Film,[21] The Chorus of Forgotten Voices by The Witcher production company Platige Image,[22] Seweryn Zaorski series by Aktiv Media,[23] One-Touch,[24] Black Madonna,[25] and Never Found.

[26] Mróz was the first Polish writer to receive two nominations for the Great Caliber Award at the International Detective Story Festival for Kasacja (Final Appeal) and Zaginięcie (Disappearance).

[29] He made his debut in English with Final Appeal – the book was released on January 4 in the UK and on February 6 in the US.